{"url":"https://inamori.hateblo.jp/entry/2026/05/06/095622","blog_title":"inamori\u2019s diary","published":"2026-05-06 09:56:22","provider_url":"https://hatena.blog","image_url":null,"height":"190","title":"AtCoder Beginner Contest 456 C","version":"1.0","provider_name":"Hatena Blog","author_name":"inamori","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Finamori.hateblo.jp%2Fentry%2F2026%2F05%2F06%2F095622\" title=\"AtCoder Beginner Contest 456 C - inamori\u2019s diary\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","categories":[],"description":"https://atcoder.jp/contests/abc456/tasks/abc456_cDP\u7684\u306b\u3001\u524d\u306e\u6587\u5b57\u3068\u96a3\u306b\u540c\u3058\u6587\u5b57\u7121\u3057\u306b\u4f55\u6587\u5b57\u7d9a\u3044\u3066\u3044\u308b\u304b\u3092\u8a18\u61b6\u3057\u3066\u3044\u304d\u307e\u3059\u3002 \u6700\u5f8c\u306f\u3084\u3063\u3071\u308a\u51fa\u529b\u306e\u3068\u3053\u308d\u3067\u3059\u306d\u3002 D <- 998244353 v <- scan(\"stdin\", character()) S <- v[1] char_to_int <- function(char) { if(char == \"a\") { return(1) } else if(char == \"b\") { return(2) } else { return(3) } } chars <- strsplit(S\u2026","blog_url":"https://inamori.hateblo.jp/","author_url":"https://blog.hatena.ne.jp/inamori/","type":"rich","width":"100%"}